Ключевые слова: 3d, block chain, blockchain, blue, board, circuit board, coin, computer, crypto, cryptocurrency, cryptographic, cryptography, cryptology, currency, cyber, cyberspace, design, device, digital, economics, electric, electronic, emblem, exchange, finance, financial, fintech, futuristic, golden, graphics, high tech, hightech, internet, laurel, litecoin, mining, modern, money, net, network, pay, payments, pcb, printed circuit board, scheme, symbol, techno, technology, virtual, web,